Reaction tube



FIG. 1 is a perspective view of a reaction tube showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

FIG. 8 is a cross sectional view taken along line 8-8 in FIG. 6 thereof;

FIG. 9 is an enlarged cross sectional view taken along line 9-9 in FIG. 2 thereof;

FIG. 10 is an enlarged cross-sectional view taken along line 10-10 in FIG. 3 thereof;

FIG. 11 is an enlarged cross-sectional view taken along line 11-11 in FIG. 4 thereof; and

FIG. 12 is an enlarged cross-sectional view taken along line 12-12 in FIG. 5 thereof;

FIG. 13 is an enlarged cross sectional view taken along line 13-13 in FIG. 8 thereof;

FIG. 14 is an enlarged cross sectional view taken along line 14-14 in FIG. 9 thereof; and,

FIG. 15 is an enlarged cross sectional view taken along line 15-15 in FIG. 14 thereof.

The dashed-dot-dashed lines represent the boundary lines of the claimed design.

The broken lines shown in the drawings represent portions of the reaction tube that form no part of the claimed design. 

CLAIM We claim the ornamental design for a reaction tube, as shown and described. 